Gas-burner.



PATENTED DEC. 17, 1907.

' R. GBFALL.

GAS BURNER.

APPLIOATIQN FILED JULY 1, 1907.

INVENTOR D 1%Gefill rnz nan/us ruins cm, wuumcwu, o. c.

UNITED STATES PATENT OFFICE.

RUDOLF GEFALL, OF VIENNA, AUSTRIA-HUN GARY, ASSIGNOR, BY MESN EASSIGNMENTS, TO HARRY J. REED, OF CHICAGO, ILLINOIS.

GAS-BURNER.

Specification of Letters Patent.

Patented Dec. 17, 1907 Application filed July I. 1907. Serial No,381603.

T 0 all whom it may concern:

Be it known that I, RUDoLF GEFALL, a subject of the Emperor of AustriaI-Iungary, and a resident of the city of Vienna, in Austria-Hungary,have invented certain new and useful Improvements in Gas-Burners, ofwhich the following is a specification in such full and clear terms aswill enable those skilled in the art to construct and use the same.

This invention relates to burners used for illumination, a mantle beingused to produce the light, and the object of the invention is to producea burner that will concentrate the heat of the flame at the outerportion'of the burner and just inside the ring formed by the mantle. Theobject being to produce a flame of such shape as will give the maximumlight with the least gas, and to produce a burner that will give a flamethat will be cool at the center.

In the drawings, in which like letters of reference refer to like partsthroughout, Fig ure 1 is a sectional view of the burner, Fig. 2 is asectional view of a modified form of the burner, Fig. 1 is a plan of theburner on the line AB Fig. 1, and Fig. 2 is a plan of the burner on theline C D. Fig. 2.

The burner is of the common Bunsen type and intended to be attached toany gas fixture in a well known manner, the base screwing on thefixture. Air holes are provided in the base to allow the air to miX withthe gas just prior to the burning of the same. If the gas is at onceallowed to pass up to the mantle it is in such a small stream as topreclude the possibility of its heating the mantle near the bottom ofthe same, so it becomes necessary to introduce means into the top of theburner to spread the gas in order that the flame may be large enough inarea to completely heat the mantle. The top of the burner is spread outas shown at G, into a cylinder larger than the base of the burner, andinside this top G is placed the smaller funnel shaped member H, thewider end of the funnel being placed at the top of the burner. In thisfunnel are placed the plates J, K which extend radially from the centerof the burner, as shown in Fig. 1 and carried by the tops of theseplates is a block M placed in the center of the burner. This lock andthe radial plates are intended to cause the gas to spread out from thecenter of the burner and heat the mantle better than would be the casewhere the common screen is used, since the direction of flow of the gaswhen it escapes from the burner is somewhat transverse of the mantlefabric, L, which hangs over the burner. The same effect may be producedby means of the funnels Q and R in the burner P, Fig. 2, said funnelsbeing held in place by means of the plate T at the top of the burner.

In order to spread the gas just at the top of the burner as it escapestherefrom, the block S is suspended from the plate T, and on this platemay be placed one of the blocks M, if desired.

Modifications of the invention may b made within the scope of theappended claims and the right to such as come within the scope of thesame is reserved.

Having thus described my invention in such full and clear terms as willenable those skilled in the art to construct and use the same, what Iclaim as new and desire to secure by Letters Patent of the United Statesis as follows:

1. In a gas burner, the combination of a burner of the Bunsen typehaving a cylindrical escape pipe, a funnel placed within said escapepipe with its small end down, means within the funnel to spread the gasto the outside of the escape pipe, and means above the funnel to assistin the spreading of the gas as it escapes from the burner.

2. In a gas burner, the combination of a burner of the Bunsen typehaving a cylindrical escape pipe, a funnel open at both ends placedwithin said. escape pipe and having its small end down, and a series'ofmeans within said funnel and adapted to cause the stream of gas toescape from the burner as an annulus.

3. In a gas burner, the combination of a burner of the Bunsen typehaving a cylindrical escape pipe, a funnel open at both ends placedwithin said escape pipe, and a series of radial plates placed withinsaid funnel and adapted to cause the gas to escape from the burner as anannulus.

In testimony whereof I have hereunto set my hand in the presence of thetwo subscribing witnesses this 18th day of June A. D.

RUDOLF GEFALL. Witnesses:

EDUARD HEBOUSTEOER, RUnoLr WELESKY.

